LUBRICANT FOR COMPRESSION REFRIGERATING MACHINE AND REFRIGERATING APPARATUS USING THE SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP2075316A1
公开(公告)日:2009-07-01
The present invention provides a lubricating oil for a compression type refrigerator including a polyvinyl ether-based compound which containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a rangeof 300 to 3,000 and one or more kinds of phosphorous compound selected from a phosphate having 25 or more carbon atoms, a phosphite having 10 to 60 carbon atoms, an amine salt of phosphate having 10 to 60 carbon atoms, and a metal salt of phosphate having 10 to 60 carbon atoms. The lubricating oil for a compression type refrigerator of the present invention has high compatibility and high viscosity index, and is excellent in anti-seizure property and also in stability under carbon dioxide atmosphere.
本发明提供了一种压缩式冰箱润滑油,包括一种聚乙烯醚基化合物,其分子中含有一个烷二醇或聚氧亚烷基二醇单元和一个乙烯基醚单元,分子量在 300 至 3,000 之间;以及一种或多种磷化合物,这些磷化合物选自具有 25 个或更多碳原子的磷酸盐、具有 10 至 60 个碳原子的亚磷酸酯、具有 10 至 60 个碳原子的磷酸盐胺盐以及具有 10 至 60 个碳原子的磷酸盐金属盐。本发明的压缩式冰箱润滑油具有高兼容性和高粘度指数,抗震性和在二氧化碳环境下的稳定性也非常出色。